Grill brush handle



FIG. 1 is a top perspective view of a grill brush handle showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof, the right side being a mirror image; and,

FIG. 4 is a top plan view thereof.

The broken lines in FIGS. 3 and 4 represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design. 

The ornamental design for a grill brush handle, as shown and described. 